1 sources verified·1 min read
By Lyrie Threat Intelligence·5/17/2026
0day Intel: 🚨 NGINX bug (CVE-2026-42945) now under active exploitation.
Critical heap over
Source: X search for CVE-2026 critical
Posted: 2026-05-17T12:03:18.000Z
Likes: 253
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🚨 NGINX bug (CVE-2026-42945) now under active exploitation.
Critical heap overflow in rewrite module. Attackers can crash workers with one request (possible RCE).
Patch now if using NGINX ≤1.30.0. Check rewrite/if/set rules.
Full details: https://t.co/b0fOIW3dze
Source Link
https://x.com/i/status/2055982489106370598
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
Validated sources
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